South Dakota Utilities: Who Serves Your Address?
- Gas Varies by address Look up your block for the company name.
- Water Your city or district Water in South Dakota is almost always city- or district-run.
- Electric City of Sioux Falls Leads our South Dakota checks, territory lines decide.
Free lookup · electric, gas, water & sewer for any South Dakota address
1,600+ addresses checked · 47 ZIP codes · updated Jul 2026
Built from 684,000+ observed assignments across the country, 1,600+ of them covering South Dakota. How we verify.
South Dakota utility coverage
Where each provider led our address-level sampling. Toggle electric, gas, or water, then check your exact address.
It depends on your address, even in South Dakota. The map orients you; the lookup names the companies for your block.
Check my addressCity-by-city guides for South Dakota are coming soon. The address lookup already covers every South Dakota address.
Territories are approximate. Check your exact address with the lookup.
Skip the guesswork
Enter your South Dakota address and get your exact electric, gas, water and sewer providers.
Free · electric, gas, water, sewer · about a minute
Xcel's east, Black Hills' west
Xcel Energy serves Sioux Falls and eastern South Dakota; Black Hills Energy serves Rapid City and the Black Hills; NorthWestern Energy covers towns like Brookings, Mitchell and Huron. Electric cooperatives serve most of the state's land area between cities. Regulated market. Your address picks the utility.
Natural gas follows its own map: MidAmerican Energy in the Sioux Falls region, NorthWestern and MDU elsewhere; much of rural South Dakota has no gas mains. Water and sewer are municipal, from Sioux Falls' Water Division down to the smallest town systems.
South Dakota utility questions, answered
Who is the electric company in Sioux Falls?
Xcel Energy. It leads at most Sioux Falls addresses we've checked; gas there is typically MidAmerican.
Who serves Rapid City?
Black Hills Energy, for both electricity and gas at most addresses in our data.
How do I set up utilities for a South Dakota address?
Run the lookup above. It returns your exact electric, gas, water and sewer providers with sign-up links in about a minute.
Get the lineup for your exact South Dakota address
Type the street. We return electric, gas, water and sewer for that block.
Free lookup · electric, gas, water & sewer for any South Dakota address
Provider territories on this page come from our address-level mapping database (geographically spread sample addresses across South Dakota), not from the live lookup engine's city summaries. Data refreshed 2026-07-22. Territories vary address by address. Always confirm yours with the lookup. Read how we verify provider data.